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Fencer Vulns
medium 6.5

CVE-2020-13426 json

The Multi-Scheduler plugin 1.0.0 for WordPress has a Cross-Site Request Forgery (CSRF) vulnerability in the forms it presents, allowing the…

published 2020-06-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5680

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

The Multi-Scheduler plugin 1.0.0 for WordPress has a Cross-Site Request Forgery (CSRF) vulnerability in the forms it presents, allowing the possibility of deleting records (users) when an ID is known.

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/48532 referenced PoC, tagged "exploit" by a source, unverified
  • infayer.com https://infayer.com/archivos/448 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com https://packetstormsecurity.com/files/157867/WordPress-Multi-Scheduler-1.0.0-Cross-Site-Request-Forgery.html referenced PoC, tagged "exploit" by a source, unverified
  • cxsecurity.com https://cxsecurity.com/issue/WLB-2020050235 referenced PoC, tagged "exploit" by a source, unverified
  • research-labs.net https://research-labs.net/search/exploits/wordpress-plugin-multi-scheduler-100-cross-site-request-forgery-delete-user referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.